ALTERNATIVE PEAK TUNE LOAD PULL CHARACTERISTICS
V
DD
= 28 Vdc, I
DQ
= 750 mA, Pulsed CW, 10
μsec(on),
10% Duty Cycle
57
56
P
out
, OUTPUT POWER (dBm)
55
54
53
52
51
50
49
48
47
46
25
26
27
28
29
30
31
32
33
34
35
36
P
in
, INPUT POWER (dBm)
NOTE: Load Pull Test Fixture Tuned for Peak P1dB Output Power @ 28 V
f
(MHz)
920
940
960
P1dB
Watts
158
162
158
dBm
52.0
52.1
52.0
195
195
195
P3dB
Watts
dBm
52.9
52.9
52.9
920 MHz
960 MHz
940 MHz
940 MHz
960 MHz
920 MHz
Actual
Ideal
Test Impedances per Compression Level
f
(MHz)
920
940
960
P1dB
P1dB
P1dB
Z
source
Ω
1.60 -- j2.77
2.03 -- j3.36
2.33 -- j3.55
Z
load
Ω
8.80 -- j0.18
9.34 + j1.58
8.42 + j3.05
Figure 10. Pulsed CW Output Power
versus Input Power @ 28 V
MRF8S9102NR3
8
RF Device Data
Freescale Semiconductor
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
